Home / 31,034.60-42,827.68-16,887.36

Finding the Fourth Proportional to 31,034.60, 42,827.68 and 16,887.36

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Solution

The fourth proportional to 31,034.60, 42,827.68 and 16,887.36 is: 23,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034.60 : 42,827.68 = 16,887.36 : x
  2. Step 2: Convert to fraction form
    31,034.60/42,827.68 = 16,887.36/x
  3. Step 3: Cross multiply
    31,034.60x = 42,827.68 × 16,887.36
  4. Step 4: Simplify right side
    31,034.60x = 723,246,450.12
  5. Step 5: Solve for x
    x = 723,246,450.12/31,034.60
  6. Step 6: Final answer
    x = 23,304.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.